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[78.88.45.245]) by smtp.gmail.com with ESMTPSA id a640c23a62f3a-a9e563093e5sm552177566b.0.2024.11.04.05.52.47 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Mon, 04 Nov 2024 05:52:49 -0800 (PST) Message-ID: Date: Mon, 4 Nov 2024 14:52:46 +0100 Precedence: bulk X-Mailing-List: linux-arm-msm@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH v1 1/1] arm64: dts: qcom: x1e80100-dell-xps13-9345: Introduce retimer support To: Aleksandrs Vinarskis , Bjorn Andersson , linux-arm-msm@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org Cc: Konrad Dybcio , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Bryan.Kemp@dell.com, tudor.laurentiu.oss@gmail.com References: <20241030182153.16256-1-alex.vinarskis@gmail.com> <20241030182153.16256-2-alex.vinarskis@gmail.com> Content-Language: en-US From: Konrad Dybcio In-Reply-To: <20241030182153.16256-2-alex.vinarskis@gmail.com> Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit X-Proofpoint-ORIG-GUID: UeLgGsSRpw7eWVCFV5XR87D3k6zcM_DQ X-Proofpoint-GUID: UeLgGsSRpw7eWVCFV5XR87D3k6zcM_DQ X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.293,Aquarius:18.0.1039,Hydra:6.0.680,FMLib:17.12.60.29 definitions=2024-09-06_09,2024-09-06_01,2024-09-02_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 spamscore=0 malwarescore=0 priorityscore=1501 phishscore=0 clxscore=1015 mlxscore=0 impostorscore=0 bulkscore=0 mlxlogscore=975 adultscore=0 suspectscore=0 lowpriorityscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.19.0-2409260000 definitions=main-2411040121 On 30.10.2024 7:19 PM, Aleksandrs Vinarskis wrote: > Describe x2 Parade PS8830 retimers for left and right USB Type-C ports > respectively. Adjust graphs between connectors and the PHYs accordingly, > add the voltage regulators. Dell XPS 13" 9345's DSDT describes 3rd > retimer, but its not actually present. > > Regulators are _assumed_ to be correct, since: > * tlmm pins match DSDT definition. > * tlmm and pmic gpios were tested and confirmed to be powering > off/resetting respective retimers. > * USB3.0 now works correctly in both orientation, pre and post suspend. > > Derived from: > arm64: dts: qcom: x1e80100-t14s: Add external DP support > > Signed-off-by: Aleksandrs Vinarskis > --- Reviewed-by: Konrad Dybcio Konrad